Even spaced hotbar (#22252)

* Fix spacing on hotbar

* more tweaksies

Content.Client/UserInterface/Systems/Hands/Controls/HandsContainer.cs

@@ -10,6 +10,8 @@ public sealed class HandsContainer : ItemSlotUIContainer<HandButton>
     public int ColumnLimit { get => _grid.Columns; set => _grid.Columns = value; }
     public int MaxButtonCount { get; set; } = 0;
 
+    public int MaxButtonsPerRow { get; set;  }= 6;
+
     /// <summary>
     ///     Indexer. This is used to reference a HandsContainer from the
     ///     controller.
@@ -36,6 +38,7 @@ public sealed class HandsContainer : ItemSlotUIContainer<HandButton>
             _grid.AddChild(newButton);
         }
 
+        _grid.Columns = Math.Min(_grid.ChildCount, MaxButtonsPerRow);
         return base.AddButton(newButton);
     }